Figure 3.
Spontaneous sleep position and nocturnal reflux symptoms. A: Acid clearance time (sec/episode) in left lateral decubitus (LLD) vs right lateral decubitus (RLD); B: LLD vs Supine; C: Supine vs RLD. LLD: Left lateral decubitus; MD: Mean difference; RLD: Right lateral decubitus; SD: Standard deviation; 95%-CI: 95% confidence interval.